hello ! Please help me for this question :
2.
Click here to read the passage before answering the question.

Which sentence from the passage is an example of an opinion disguised as a fact?

“However, this all changed in 2007.” (paragraph 4)

“In 2002, about 75 percent of all bills were paid by mail; by 2012, that number had decreased to 40 percent and the trend continues.” (paragraph 7)

“For example, in 2012, each of the 80 billion pieces of advertising brought 21 cents in revenue, compared to 42 cents for first-class mail.” (paragraph 8)

“Citizens should weigh in.” (paragraph 11)